2112100106 has 4 divisors (see below), whose sum is σ = 3168150162. Its totient is φ = 1056050052.

The previous prime is 2112100103. The next prime is 2112100127. The reversal of 2112100106 is 6010012112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1660155025 + 451945081 = 40745^2 + 21259^2 .

It is a super-2 number, since 2×2112100106² = 8921933715530422472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112100103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528025025 + ... + 528025028.

Almost surely, 2^2112100106 is an apocalyptic number.

2112100106 is a deficient number, since it is larger than the sum of its proper divisors (1056050056).

2112100106 is a wasteful number, since it uses less digits than its factorization.

2112100106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056050055.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2112100106 is about 45957.5902980128. The cubic root of 2112100106 is about 1283.0340027280.

Adding to 2112100106 its reverse (6010012112), we get a palindrome (8122112218).

The spelling of 2112100106 in words is "two billion, one hundred twelve million, one hundred thousand, one hundred six".